From: Jon Hunter <jonathanh@nvidia.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jassi Brar <jassisinghbrar@gmail.com>
Cc: <linux-kernel@vger.kernel.org>, <linux-tegra@vger.kernel.org>
Subject: Re: [PATCH] mailbox: tegra: Fix superfluous IRQ error message
Date: Tue, 12 Nov 2019 12:02:02 +0000 [thread overview]
Message-ID: <f5cd4647-4349-f20c-bc16-da9291fc9329@nvidia.com> (raw)
In-Reply-To: <20191014132458.GG422231@ulmo>
Hi Greg,
On 14/10/2019 14:24, Thierry Reding wrote:
> On Fri, Oct 11, 2019 at 09:34:59AM +0100, Jon Hunter wrote:
>> Commit 7723f4c5ecdb ("driver core: platform: Add an error message to
>> platform_get_irq*()") added an error message to avoid drivers having
>> to print an error message when IRQ lookup fails. However, there are
>> some cases where IRQs are optional and so new optional versions of
>> the platform_get_irq*() APIs have been added for these cases.
>>
>> The IRQs for Tegra HSP module are optional because not all instances
>> of the module have the doorbell and all of the shared interrupts.
>> Hence, since the above commit was applied the following error messages
>> are now seen on Tegra194 ...
>>
>> ERR KERN tegra-hsp c150000.hsp: IRQ doorbell not found
>> ERR KERN tegra-hsp c150000.hsp: IRQ shared0 not found
>>
>> The Tegra HSP driver deliberately does not fail if these are not found
>> and so fix the above errors by updating the Tegra HSP driver to use
>> the platform_get_irq_byname_optional() API.
>>
>> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
>> ---
>> drivers/mailbox/tegra-hsp.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> Perhaps Greg should pick up this patch because he's carrying the patch
> that adds the platform_get_irq_byname_optional() patch for v5.5.
>
> Greg, would you prefer a copy of this in your mailbox, or does the
> following patchwork link suffice:
>
> http://patchwork.ozlabs.org/patch/1175012/
>
> Either way, this patch:
>
> Acked-by: Thierry Reding <treding@nvidia.com>
>
> Thierry
Are you OK to pick this up? Do you need Jassi's ACK as well?
Thanks!
Jon
--
nvpublic
next prev parent reply other threads:[~2019-11-12 12:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-11 8:34 Jon Hunter
2019-10-14 8:14 ` kbuild test robot
2019-10-14 13:24 ` Thierry Reding
2019-11-12 12:02 ` Jon Hunter [this message]
2019-11-12 14:07 ` Greg Kroah-Hartman
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